Pith Number

pith:HAODX5WJ

pith:2002:HAODX5WJLF2LP56GVVS26QZ3DT

not attested not anchored not stored refs pending

Bihomogeneity of solenoids

Alex Clark, Robbert Fokkink

arxiv:math/0201287 v1 · 2002-01-29 · math.DS · math.GN

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HAODX5WJLF2LP56GVVS26QZ3DT}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:41:33.136699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

381c3bf6c95974b7f7c6ad65af433b1cf46e87686606246fd901428f6ca2bec8

Aliases

arxiv: math/0201287 · arxiv_version: math/0201287v1 · doi: 10.48550/arxiv.math/0201287 · pith_short_12: HAODX5WJLF2L · pith_short_16: HAODX5WJLF2LP56G · pith_short_8: HAODX5WJ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/HAODX5WJLF2LP56GVVS26QZ3DT \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 381c3bf6c95974b7f7c6ad65af433b1cf46e87686606246fd901428f6ca2bec8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "303602bf0aa7e995d25893d515a4cef5f96de51f2288426f58e2606a33382698",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "",
    "primary_cat": "math.DS",
    "submitted_at": "2002-01-29T19:05:26Z",
    "title_canon_sha256": "c0ff7668ebba6be37a35ce142c31c658f77ffac35511eb646daff4cea93b3f06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0201287",
    "kind": "arxiv",
    "version": 1
  }
}